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The occurrence of rapidly reversible non-photochemical quenching of chlorophyll a fluorescence in cyanobacteria
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UNSPECIFIED. (2005) The occurrence of rapidly reversible non-photochemical quenching of chlorophyll a fluorescence in cyanobacteria. FEBS LETTERS, 579 (1). pp. 275-280. ISSN 0014-5793
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Official URL: http://dx.doi.org/10.1016/j.febslet.2004.11.091
Abstract
Cyanobacteria have previously been considered to differ fundamentally from plants and algae in their regulation of light harvesting. We show here that in fact the ecologically important marine prochlorophyte, Prochlorococcus, is capable of forming rapidly reversible non-photochemical quenching of chlorophyll a fluorescence (NPQf or qE) as are freshwater cyanobacteria when they employ the iron stress induced chlorophyll-based antenna, IsiA. For Prochlorococcus, the capacity for NPQf is greater in high light-adapted strains, except during iron starvation which allows for increased quenching in low light-adapted strains. NPQf formation in freshwater cyanobacteria is accompanied by deep F-o quenching which increases with prolonged iron starvation. (C) 2004 Federation of European Biochemical Societies. Published by Elsevier B.V. All rights reserved.
| Item Type: | Journal Article |
|---|---|
| Subjects: | Q Science > QD Chemistry Q Science > QH Natural history > QH301 Biology |
| Journal or Publication Title: | FEBS LETTERS |
| Publisher: | ELSEVIER SCIENCE BV |
| ISSN: | 0014-5793 |
| Date: | 3 January 2005 |
| Volume: | 579 |
| Number: | 1 |
| Number of Pages: | 6 |
| Page Range: | pp. 275-280 |
| Identification Number: | 10.1016/j.febslet.2004.11.091 |
| Publication Status: | Published |
| URI: | http://wrap.warwick.ac.uk/id/eprint/7528 |
Data sourced from Thomson Reuters' Web of Knowledge
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